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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-24 00:31:45 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-24 00:31:45 +0000 |
| commit | 9e085a86376179cd471c3e6a59987339110ff92e (patch) | |
| tree | b1763e0b7ef6b203de684a6170c676f71211f16d /lib/Analysis | |
| parent | 621138679909013143995836c68f76e31e30b666 (diff) | |
| download | llvm-9e085a86376179cd471c3e6a59987339110ff92e.tar.gz llvm-9e085a86376179cd471c3e6a59987339110ff92e.tar.bz2 llvm-9e085a86376179cd471c3e6a59987339110ff92e.tar.xz | |
Fix floating-point divide by zero, in a case where the value was not going to be used anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162518 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis')
| -rw-r--r-- | lib/Analysis/ProfileEstimatorPass.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Analysis/ProfileEstimatorPass.cpp b/lib/Analysis/ProfileEstimatorPass.cpp index 63468f8426..12b59e0a6f 100644 --- a/lib/Analysis/ProfileEstimatorPass.cpp +++ b/lib/Analysis/ProfileEstimatorPass.cpp @@ -286,7 +286,7 @@ void ProfileEstimatorPass::recurseBasicBlock(BasicBlock *BB) { } } - double fraction = floor(BBWeight/Edges.size()); + double fraction = Edges.size() ? floor(BBWeight/Edges.size()) : 0.0; // Finally we know what flow is still not leaving the block, distribute this // flow onto the empty edges. for (SmallVector<Edge, 8>::iterator ei = Edges.begin(), ee = Edges.end(); |